Home / 328,686.44-453,579.90-185,442.80

Finding the Fourth Proportional to 328,686.44, 453,579.90 and 185,442.80

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Solution

The fourth proportional to 328,686.44, 453,579.90 and 185,442.80 is: 255,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,686.44 : 453,579.90 = 185,442.80 : x
  2. Step 2: Convert to fraction form
    328,686.44/453,579.90 = 185,442.80/x
  3. Step 3: Cross multiply
    328,686.44x = 453,579.90 × 185,442.80
  4. Step 4: Simplify right side
    328,686.44x = 84,113,126,679.72
  5. Step 5: Solve for x
    x = 84,113,126,679.72/328,686.44
  6. Step 6: Final answer
    x = 255,906.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.